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BEYOND PUBLICATION-PRINCIPLES OF METALLURGY-EXERCISE
- Low-melting metal like tin can be purified by this method
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- Low boiling metals like mercury and zinc are refined by
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- Which of the following are Sulphides ? Zinc Blende Rock Salt Cinn...
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- Which of the following are not ionic compounds ? KCl HCl CCl4 N...
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- Aluminium is used for making cooking utensils. Which of the following ...
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- Which of the following methods is suitable for preventing an iron arti...
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- The formula of carnalllite is
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- --------- group are called chalcogenes.
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- Which combination is wrong for the extraction of sodium metal from fus...
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- Blister copper is a
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- Which of the following is wrong about poling ?
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- When an Iron object is painted, the process of corrosion is reduced du...
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- More electropositive metals (more active metals ) are not prepared by ...
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- Which of the following is true about preparation of Iron by smelting p...
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- Two test tubes. 'A' and 'B' contains iron nails. In 'A' test tube iron...
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- Buried underground pipes are coupled with small magnesium foils. This ...
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- During the electrolysis of sodium chloride ----------- gas liberates a...
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- is used to convert sulphide ore into oxide ore.
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- The ore of mercury is
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- Low boiling metals are purified by-----method
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